ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.

Excel started there and became something else entirely. Most people used it superficially — pasting data, writing a “sum” formula, never going further. And yet spreadsheets transformed how ...

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

Claude vs ChatGPT comparison in 2026—context limits, coding benchmarks, and creative writing quality to help choose the best ...

Don't use AI for cute tricks. Use it to ruthlessly optimize your life and wallet.